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An ankyrin-repeat and WRKY-domain-containing immune receptor confers stripe rust resistance in wheat

Author

Listed:
  • Huan Wang

    (Plant Immunity Center, Fujian Agriculture and Forestry University
    Chinese Academy of Sciences)

  • Shenghao Zou

    (Plant Immunity Center, Fujian Agriculture and Forestry University)

  • Yiwen Li

    (Chinese Academy of Sciences)

  • Fanyun Lin

    (Chinese Academy of Sciences)

  • Dingzhong Tang

    (Plant Immunity Center, Fujian Agriculture and Forestry University)

Abstract

Perception of pathogenic effectors in plants often relies on nucleotide-binding domain (NBS) and leucine-rich-repeat-containing (NLR) proteins. Some NLRs contain additional domains that function as integrated decoys for pathogen effector targets and activation of immune signalling. Wheat stripe rust is one of the most devastating diseases of crop plants. Here, we report the cloning of YrU1, a stripe rust resistance gene from the diploid wheat Triticum urartu, the progenitor of the A genome of hexaploid wheat. YrU1 encodes a coiled-coil-NBS-leucine-rich repeat protein with N-terminal ankyrin-repeat and C-terminal WRKY domains, representing a unique NLR structure in plants. Database searches identify similar architecture only in wheat relatives. Transient expression of YrU1 in Nicotiana benthamiana does not induce cell death in the absence of pathogens. The ankyrin-repeat and coiled-coil domains of YrU1 self-associate, suggesting that homodimerisation is critical for YrU1 function. The identification and cloning of this disease resistance gene sheds light on NLR protein function and may facilitate breeding to control the devastating wheat stripe rust disease.

Suggested Citation

  • Huan Wang & Shenghao Zou & Yiwen Li & Fanyun Lin & Dingzhong Tang, 2020. "An ankyrin-repeat and WRKY-domain-containing immune receptor confers stripe rust resistance in wheat," Nature Communications, Nature, vol. 11(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-15139-6
    DOI: 10.1038/s41467-020-15139-6
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    Cited by:

    1. Carmen Escudero-Martinez & Max Coulter & Rodrigo Alegria Terrazas & Alexandre Foito & Rumana Kapadia & Laura Pietrangelo & Mauro Maver & Rajiv Sharma & Alessio Aprile & Jenny Morris & Pete E. Hedley &, 2022. "Identifying plant genes shaping microbiota composition in the barley rhizosphere," Nature Communications, Nature, vol. 13(1), pages 1-14, December.
    2. Chunhao Dong & Lichao Zhang & Qiang Zhang & Yuxin Yang & Danping Li & Zhencheng Xie & Guoqing Cui & Yaoyu Chen & Lifen Wu & Zhan Li & Guoxiang Liu & Xueying Zhang & Cuimei Liu & Jinfang Chu & Guangyao, 2023. "Tiller Number1 encodes an ankyrin repeat protein that controls tillering in bread wheat," Nature Communications, Nature, vol. 14(1), pages 1-13, December.

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